Using deep learning to detect defects in manufacturing: a comprehensive survey and current challenges

J Yang, S Li, Z Wang, H Dong, J Wang, S Tang - Materials, 2020 - mdpi.com
The detection of product defects is essential in quality control in manufacturing. This study
surveys stateoftheart deep-learning methods in defect detection. First, we classify the defects …

Pulsed eddy current non-destructive testing and evaluation: A review

A Sophian, G Tian, M Fan - Chinese Journal of Mechanical Engineering, 2017 - Springer
Pulsed eddy current (PEC) non-destructive testing and evaluation (NDT&E) has been
around for some time and it is still attracting extensive attention from researchers around the …

Steel corrosion characterization using pulsed eddy current systems

Y He, G Tian, H Zhang, M Alamin, A Simm… - IEEE Sensors …, 2012 - ieeexplore.ieee.org
A pulsed eddy current (PEC) system has been used to characterize atmospheric corrosion
on steel samples. International Paint has supplied coated and uncoated mild steel (S275) …

Reduction of lift-off effects for pulsed eddy current NDT

GY Tian, A Sophian - NDT & E International, 2005 - Elsevier
The lift-off effect is commonly known to be one of the main obstacles for effective eddy
current NDT testing as it can easily mask defect signals. Pulsed eddy current techniques …

Thickness measurement of non-magnetic plates using multi-frequency eddy current sensors

W Yin, AJ Peyton - Ndt & E International, 2007 - Elsevier
A robust feature in multi-frequency eddy current (MEC) testing has been found that can be
directly linked to the thickness of the plate under test. It is shown mathematically that the …

Pulsed eddy current technique for defect detection in aircraft riveted structures

Y He, F Luo, M Pan, F Weng, X Hu, J Gao, B Liu - NDT & e International, 2010 - Elsevier
The Pulsed Eddy Current (PEC) technique is an effective method of quantifying defects in
multi-layer structures. It is difficult to detect defects in riveted structures of aging aircraft …

Enhancing corrosion detection in pulsed eddy current testing systems through autoencoder-based unsupervised learning

M Le, PH Pham, SP Hoang, DM Le, QV Pham - NDT & E International, 2024 - Elsevier
Abstract Pulsed Eddy Current Testing (PECT) stands out as an advanced method in Non-
Destructive Testing due to its extensive spectrum characteristics in comparison to traditional …

Pulsed eddy current imaging and frequency spectrum analysis for hidden defect nondestructive testing and evaluation

Y He, M Pan, F Luo, G Tian - Ndt & E International, 2011 - Elsevier
Hidden defect characterisation in some complex structures is difficult. Pulsed Eddy Current
(PEC) imaging based on rectangular excitation coil is investigated in this paper and hidden …

Giant magnetoresistance sensors: A review on structures and non-destructive eddy current testing applications

D Rifai, AN Abdalla, K Ali, R Razali - Sensors, 2016 - mdpi.com
Non-destructive eddy current testing (ECT) is widely used to examine structural defects in
ferromagnetic pipe in the oil and gas industry. Implementation of giant magnetoresistance …

Determination of surface crack orientation based on thin-skin regime using triple-coil drive–pickup eddy-current sensor

M Lu, X Meng, R Huang, L Chen, Z Tang… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Electromagnetic sensors have been used for inspecting small surface defects of metals.
Based on the eddy-current (EC) thin-skin regime, a revised algorithm is proposed for a triple …